Dog blanket



FIG. 1 is a perspective view of a dog blanket showing the claimed design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a front elevational view thereof; and,

FIG. 7 is a left side view thereof. 

CLAIM The ornamental design for a dog blanket, as shown and described. 